Table 3.
Association between haemoglobin A1c and primary care providers' actions for hypoglycaemia prevention, stratified by the patient's hypoglycaemia history.
| Haemoglobin A1c Categorya |
||||||
|---|---|---|---|---|---|---|
| <7.0% | 7.0–7.9% | 8.0–8.9% | ≥9.0% | Missing | p-valueb | |
| All patients, N = 242 | ||||||
| N | 56 | 70 | 49 | 58 | 9 | |
| PCP provided hypoglycaemia anticipatory guidance | 11 (19.6) | 13 (18.6) | 11 (22.5) | 13 (22.4) | 2 (22.2) | 0.99 |
| PCP de-intensified or adjusted a hypoglycaemia-causing medication | 7 (12.5) | 8 (11.4) | 4 (8.2) | 2 (3.5) | 0 | 0.30 |
| Patients reporting hypoglycemic event(s), n = 51 | ||||||
| N | 12 | 13 | 9 | 14 | 3 | |
| PCP provided hypoglycaemia anticipatory guidance | 7 (58.3) | 8 (61.5) | 7 (77.8) | 8 (57.1) | 1 (33.3) | 0.77 |
| PCP de-intensified or adjusted a hypoglycaemia-causing medication | 5 (41.7) | 5 (38.5) | 3 (33.3) | 2 (14.3) | 0 | 0.48 |
| Patients reporting no hypoglycemic events, n = 27 | ||||||
| N | 5 | 11 | 6 | 5 | 0 | |
| PCP provided hypoglycaemia anticipatory guidance | 2 (40.0) | 2 (18.2) | 2 (33.3) | 1 (20.0) | 0 | 0.78 |
| PCP de-intensified or adjusted a hypoglycaemia-causing medication | 1 (20.0) | 1 (9.1) | 1 (16.7) | 0 | 0 | 0.81 |
| Hypoglycaemia history not discussed, n = 164 | ||||||
| N | 39 | 46 | 34 | 39 | 6 | |
| PCP provided hypoglycaemia anticipatory guidance | 2 (5.1) | 3 (6.5) | 2 (5.9) | 4 (10.3) | 1 (16.7) | 0.83 |
| PCP de-intensified or adjusted a hypoglycaemia-causing medication | 1 (2.6) | 2 (4.4) | 0 | 0 | 0 | 0.69 |
Data are n (% of column) unless otherwise indicated.
a
Most recent value within the past 12 months prior to clinic visit.
b
Association between the five HbA1c categories as a nominal variable and the listed PCP action by logistic regression adjusted for insulin use with variance accounting clustering by PCP.